﻿/* Copyright (c) 2009 Jakub Müller
 * 
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace KompoziceMistoDedicnosti {
	/// <summary>
	/// Pomocná třída při práci v prostředí Winforms.
	/// </summary>
	public static class WinformsHelper {
		/// <summary>
		/// Vrací TRUE, pokud předaný Control nebo jeho rodič není v DesignModu.
		/// Jinak vrací FALSE.
		/// </summary>
		/// <param name="ctl">Control, jehož DesignMode se má zjistit.</param>
		/// <returns></returns>
		public static bool IsInRuntimeMode( this Control ctl ) {
			if ( null == ctl ) { throw new ArgumentNullException( "ctl" ); }

			var ret = !IsInDesignMode( ctl );
			return ret;
		}
		/// <summary>
		/// Vrací TRUE, pokud předaný Control nebo jeho rodič je v DesignModu.
		/// Jinak vrací FALSE.
		/// </summary>
		/// <param name="ctl">Control, jehož DesignMode se má zjistit.</param>
		/// <returns></returns>
		public static bool IsInDesignMode( this Control ctl ) {
			if ( null == ctl ) { throw new ArgumentNullException( "ctl" ); }

			bool ret = false;
			var site = ctl.Site;
			if ( null != site ) {
				ret = site.DesignMode;
			}
			else {
				var parentControl = ctl.Parent;
				if ( null != parentControl ) {
					ret = IsInDesignMode( parentControl );
				}
			}

			return ret;
		}
	}
}
